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Selected:Funnel AnalysisAssumption MappingATAM (Architecture Tradeoff Analysis Method)Riskiest Assumption Test
| Criterion |  Growth Funnel Analysis |  Product Discovery Assumption Mapping |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Product Discovery Riskiest Assumption Test |
|---|---|---|---|---|
Purposedifferent | When many visitors or users drop off along the way, the reason behind the number often stays hidden. Funnel Analysis exposes these transitions and makes visible exactly where the path collapses. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | ATAM helps teams weigh architecture decisions when quality goals compete. The team considers business goals, stakeholder expectations, and technical decisions together. The evaluation shows which risks need further investigation. | When an idea hinges on one critical unknown, it prioritizes testing that exact piece of uncertainty first. It separates problem, assumption, solution, and evidence. The result is captured as a prioritized list of assumptions, a test plan, and a result report. |
Complexitydifferent | Medium | Medium | High | Medium |
Timedifferent | 1-3 h | 45-60 min | Several meetings plus preparation and analysis; total effort depends on scope | 1-2 Wochen pro Iteration |
Participantsdifferent | 1-5 | 2-8 | Evaluation team, architects, and relevant stakeholders | 2-6 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Funnel report, Drop-off analysis, Optimization hypotheses | Assumption map, Test backlog, Risk ranking | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Prioritized Assumption List, Test Plan, Results Report |
Tagsno overlap | AnalyticsConversionGrowth | AssumptionsRiskExperimentsValidation | ArchitectureQualityRiskTradeoffsStakeholders | ExperimentsValidationDiscoveryAssumptions |